Top Free SIP Apps for Windows

These VoIP softphone apps help you make and receive free calls through SIP

By
Nadeem Unuth
Nadeem Unuth
Contributor
  • University of Mauritius
Nadeem Unuth is a former contributor to Lifewire who specializes in information and communication technology with a focus on VoIP.
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Updated on September 10, 2024
Reviewed by
Michael Barton Heine Jr
Michael Heine headshot
Reviewed by Michael Barton Heine Jr
    Michael Heine is a CompTIA-certified writer, editor, and Network Engineer with 25+ years' experience working in the television, defense, ISP, telecommunications, and education industries.
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    Having a Session in Protocol (SIP) account gives you the freedom to communicate through VoIP. Among the benefits is the ability to make and receive free phone calls to other SIP users worldwide, and to use the softphone software of your choice without being tied to what one VoIP service provider offers.

    Here are the best free SIP softphone apps for Windows and where to get them.

    01
    of 05

    Best Open Source SIP App: Jitsi

    Jitsi Meet app on a laptop

    Jitsi
    What We Like

    • Works well on any operating system.

    • Excellent mobile support.

    What We Don't Like

    • Time-consuming to configure properly.

    • Documentation lacks detail.

    Jitsi is a Java-built open-source instant-messaging (IM) application loaded with features. Along with other IM features, it also allows voice and video communication through SIP.

    Other interesting features include call recording, IPv6 support, encryption, and support for many protocols.

    02
    of 05

    Make Calls on Any Device: LinPhone

    Linphone app on different devices

    Linphone 
    What We Like

    • Well-organized interface.

    • Intuitive contact manager.

    What We Don't Like

    • Lacks a clickable standard phone dialer.

    • Only supports VP8 video codec.

    LinPhone is open-source software for Windows, macOS, and Linux, plus Android and iPhone mobile platforms.

    LinPhone allows voice and video communication with many interesting features, including codecs, support for IPv6, echo cancellation, bandwidth management, and more.

    03
    of 05

    Best Google Integration: Blink

    Blink SIP app logo

    icanblink.com
    What We Like

    • Easy Google Drive and macOS integration.

    • Offers a lite version for Mac users.

    What We Don't Like

    • No hotkeys or redial button.

    • Hold feature can be finicky.

    Blink is simple and has all the features you need to make voice and video calls over SIP. It also includes a chat tool with end-to-end encryption and secure file transfers.

    Available for Windows, macOS, and Linux, it's distributed under a GPL license.

    04
    of 05

    Simplest Interface: Ekiga

    Ekiga SIPs app

    Ekiga
    What We Like

    • Offers multiple VoIP codecs.

    • Edit the source code for a personalized experience.

    What We Don't Like

    • Fewer features than similar apps.

    • No version for Mac users.

    Formerly known as GnomeMeeting, Ekiga is general public license software for GNOME (Linux) and Windows. It offers all the basic features needed for good, fluid SIP communication in a clean, clear interface.

    Ekiga also offers free SIP accounts. You can use Ekiga for voice calling and video conferencing.

    05
    of 05

    Best Lightweight SIP App: MicroSIP

    MicroSIP app

    MicroSIP
    What We Like

    • Supports dozens of languages.

    • Thorough online documentation.

    What We Don't Like

    • Complicated set up process.

    • Only available for Windows.

    MicroSIP is a free, open-source app that allows high-quality VoIP calls through SIP.

    It gets the job done without any surplus features, making it light on resource usage and nice to use when you want to communicate simply and plainly. MicroSIP is a portable app available exclusively for Windows.

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